---> uname -a: Linux prd-centos8-robot-2c-8g-19739.novalocal 4.18.0-553.5.1.el8.x86_64 #1 SMP Tue May 21 05:46:01 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0,1 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 3.8G 0 3.8G 0% /dev tmpfs 3.8G 0 3.8G 0% /dev/shm tmpfs 3.8G 17M 3.8G 1% /run tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup /dev/vda1 40G 8.4G 32G 21% / tmpfs 770M 0 770M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7697 614 4910 19 2173 6785 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:72:b8:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.171.87/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0 valid_lft 85825sec preferred_lft 85825sec inet6 fe80::f816:3eff:fe72:b89c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-553.5.1.el8.x86_64 (centos-stream-8-robot-7d7a37eb-bc14-4dd6-9530-dc22c5eae738.noval) 02/22/2026 _x86_64_ (2 CPU) 00:13:11 LINUX RESTART (2 CPU) 12:14:01 AM tps rtps wtps bread/s bwrtn/s 12:15:01 AM 102.90 6.20 96.70 1091.37 8753.65 12:16:01 AM 64.96 1.37 63.59 135.44 8453.21 12:17:01 AM 64.06 6.78 57.28 1248.10 3728.43 12:18:02 AM 38.83 2.47 36.36 260.62 6435.71 12:19:01 AM 4.41 0.00 4.41 0.00 158.48 12:20:01 AM 0.25 0.00 0.25 0.00 4.30 12:21:01 AM 0.17 0.00 0.17 0.00 1.62 12:22:01 AM 14.58 0.37 14.21 41.72 515.38 Average: 36.34 2.15 34.18 347.94 3513.32 12:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:15:01 AM 5208340 7000800 2674084 33.92 2688 1970040 717104 8.03 187244 2150188 184944 12:16:01 AM 5215984 7057776 2666440 33.83 2688 2018236 657092 7.36 219584 2101108 9016 12:17:01 AM 4833768 6937384 3048656 38.68 2688 2270188 733664 8.21 258408 2408508 173032 12:18:02 AM 4925580 7026616 2956844 37.51 2688 2268324 659028 7.38 266748 2308512 4 12:19:01 AM 4925768 7026804 2956656 37.51 2688 2268324 659028 7.38 266744 2308584 16 12:20:01 AM 4925288 7026328 2957136 37.52 2688 2268328 676908 7.58 266744 2308872 12 12:21:01 AM 4925636 7026676 2956788 37.51 2688 2268328 676908 7.58 266744 2308692 4 12:22:01 AM 5041456 6956888 2840968 36.04 2688 2088808 737648 8.26 310208 2169828 26404 Average: 5000228 7007409 2882196 36.56 2688 2177572 689672 7.72 255303 2258036 49179 12:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:15:01 AM eth0 140.20 101.60 1176.02 23.44 0.00 0.00 0.00 0.00 12:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:16:01 AM eth0 73.99 46.78 640.90 7.45 0.00 0.00 0.00 0.00 12:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:17:01 AM eth0 39.84 32.78 333.42 7.47 0.00 0.00 0.00 0.00 12:18:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:02 AM eth0 21.21 16.46 9.36 6.65 0.00 0.00 0.00 0.00 12:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 AM eth0 1.44 1.00 0.89 0.20 0.00 0.00 0.00 0.00 12:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 AM eth0 1.73 0.75 0.20 0.12 0.00 0.00 0.00 0.00 12:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 AM eth0 1.23 0.88 0.24 0.13 0.00 0.00 0.00 0.00 12:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 AM eth0 40.24 31.31 72.77 25.67 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 40.07 29.00 279.82 8.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-553.5.1.el8.x86_64 (centos-stream-8-robot-7d7a37eb-bc14-4dd6-9530-dc22c5eae738.noval) 02/22/2026 _x86_64_ (2 CPU) 00:13:11 LINUX RESTART (2 CPU) 12:14:01 AM CPU %user %nice %system %iowait %steal %idle 12:15:01 AM all 38.42 0.00 6.19 1.67 0.10 53.63 12:15:01 AM 0 26.42 0.00 5.61 1.78 0.08 66.11 12:15:01 AM 1 50.45 0.00 6.77 1.55 0.12 41.12 12:16:01 AM all 19.18 0.00 2.75 1.59 0.08 76.40 12:16:01 AM 0 17.20 0.00 2.35 1.72 0.07 78.66 12:16:01 AM 1 21.17 0.00 3.16 1.47 0.08 74.12 12:17:01 AM all 28.41 0.00 5.10 0.52 0.08 65.89 12:17:01 AM 0 15.99 0.00 4.03 0.58 0.08 79.31 12:17:01 AM 1 40.83 0.00 6.17 0.45 0.08 52.47 12:18:02 AM all 7.76 0.00 1.63 0.79 0.05 89.77 12:18:02 AM 0 7.01 0.00 1.32 0.70 0.05 90.92 12:18:02 AM 1 8.52 0.00 1.94 0.89 0.05 88.61 12:19:01 AM all 0.34 0.00 0.06 0.02 0.03 99.55 12:19:01 AM 0 0.58 0.00 0.03 0.02 0.03 99.34 12:19:01 AM 1 0.10 0.00 0.08 0.02 0.03 99.76 12:20:01 AM all 0.28 0.00 0.07 0.00 0.03 99.62 12:20:01 AM 0 0.32 0.00 0.08 0.00 0.03 99.57 12:20:01 AM 1 0.25 0.00 0.05 0.00 0.02 99.68 12:21:01 AM all 0.22 0.00 0.08 0.00 0.03 99.68 12:21:01 AM 0 0.08 0.00 0.08 0.00 0.02 99.82 12:21:01 AM 1 0.35 0.00 0.07 0.00 0.03 99.55 12:22:01 AM all 13.70 0.00 2.07 0.13 0.05 84.06 12:22:01 AM 0 9.30 0.00 1.90 0.13 0.05 88.61 12:22:01 AM 1 18.08 0.00 2.24 0.12 0.05 79.51 Average: all 13.58 0.00 2.25 0.59 0.06 83.53 Average: 0 9.64 0.00 1.93 0.62 0.05 87.76 Average: 1 17.52 0.00 2.56 0.56 0.06 79.30